3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = new DateTime(); $json = json_encode(array('a' => $a)); var_dump($a); var_dump($json); $b = json_decode($json, true)['a']; var_dump(DateTime::__set_state($b));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/Z1YKV
function name:  (null)
number of ops:  27
compiled vars:  !0 = $a, !1 = $json, !2 = $b
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   NEW                                              $3      'DateTime'
          1        DO_FCALL                                      0          
          2        ASSIGN                                                   !0, $3
    5     3        INIT_FCALL                                               'json_encode'
          4        INIT_ARRAY                                       ~6      !0, 'a'
          5        SEND_VAL                                                 ~6
          6        DO_ICALL                                         $7      
          7        ASSIGN                                                   !1, $7
    7     8        INIT_FCALL                                               'var_dump'
          9        SEND_VAR                                                 !0
         10        DO_ICALL                                                 
    8    11        INIT_FCALL                                               'var_dump'
         12        SEND_VAR                                                 !1
         13        DO_ICALL                                                 
   10    14        INIT_FCALL                                               'json_decode'
         15        SEND_VAR                                                 !1
         16        SEND_VAL                                                 <true>
         17        DO_ICALL                                         $11     
         18        FETCH_DIM_R                                      ~12     $11, 'a'
         19        ASSIGN                                                   !2, ~12
   12    20        INIT_FCALL                                               'var_dump'
         21        INIT_STATIC_METHOD_CALL                                  'DateTime', '__set_state'
         22        SEND_VAR                                                 !2
         23        DO_FCALL                                      0  $14     
         24        SEND_VAR                                                 $14
         25        DO_ICALL                                                 
         26      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
183.53 ms | 1395 KiB | 19 Q